#include<bits/stdc++.h> using namespace std; #ifdef LOC template <class T, class U> auto &operator<<(ostream &out, pair<T, U> a) { return out << "(" << a.first << ", " << a.second << ")"; } template <class T, class = class enable_if<!is_same<T, string>(), class T::iterator>::type> auto &operator<<(ostream &out, T a) { out << "{"; bool fi = 1; for(auto b : a) { if(fi) {out<<b; fi=0;} else out<<", "<<b; } return out << "}"; } template <class T, class X, class Y> auto &operator<<(ostream &out, const priority_queue<T,X,Y>& a) {auto b = a; vector<T> v; while(!b.empty()) {v.push_back(b.top()); b.pop();} return out<<v; } void dump(){ cerr << "\e[39m"<<"\n"; } template <class T, class... Ts> void dump(T a, Ts... x) { cerr << a << ", "; dump(x...); } #define debug(...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<"\t"<<"[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__) #else #define debug(...) ; #endif #define fwd(i, a, b) for(int i=(a);i<(int)(b);i++) #define rep(i, n) for(int i=0;i<(int)(n);i++) #define all(X) (X).begin(), (X).end() #define sz(X) ((int)(X).size()) #define mp make_pair #define st first #define nd second typedef long long ll; typedef pair<int,int> pii; typedef vector<int> vi; pair<bool, vi> solve2(vi tab, int n) { vi rgh = tab; for(int i=n-2;i>=0;i--) rgh[i] = max(rgh[i+1], tab[i]); int minL = tab[0]; fwd(i,1,n) { if(minL >= rgh[i]) return {true, {i-1}}; minL = min(minL, tab[i]); } return {false, {}}; } pair<bool, vi> solve3(vi tab, int n) { int m = *min_element(all(tab)); int M = *max_element(all(tab)); if(tab[n-1] == m) {return {true, {n-3, n-2}};} if(tab[0] == M) {return {true, {0,1}};} fwd(i,1,n-1) if(tab[i] == m) {return {true, {i-1,i}};}; fwd(i,1,n-1) if(tab[i] == M) {return {true, {i-1,i}};}; return {false, {}}; } pair<bool, vi> solveK(vi tab, int n, int k) { rep(i,n-1) { if(tab[i] >= tab[i+1]) { vi splits(n-1); int cnt = k-2; splits[i] = 1; if(i+1 != n-1) { splits[i+1] = 1; cnt--; } if(i != 0) { splits[i-1] = 1; cnt--; } for(int j=0;j<sz(splits) && cnt>0; j++) { if(splits[j] == 0) { splits[j] = 1; cnt--; } } vi idxs; rep(j,n-1) if(splits[j]) idxs.push_back(j); return {true, idxs}; } } return {false, {}}; } pair<bool, vi> solve(vi tab, int n, int k) { if(k == 2) return solve2(tab,n); if(k == 3) return solve3(tab,n); return solveK(tab,n,k); } void validate(vi tab, int n, int k, vi ans) { assert(sz(ans) == k-1); ans.push_back(n-1); rep(i,sz(ans)-1) assert(ans[i] < ans[i+1]); assert(ans[0] >= 0); int prvMin = 2e9, prvMax = 0; int i=0; for(auto a:ans) { int curMin = 2e9, curMax = 0; while(i <= a) { curMax = max(curMax, tab[i]); curMin = min(curMin, tab[i]); i++; } if(curMax <= prvMin) return; prvMin = curMin; prvMax = curMax; } assert(false); } int32_t main(){ ios::sync_with_stdio(false); int n,k; cin >> n >> k; vi tab(n); rep(i,n) cin >> tab[i]; auto [r, ans] = solve(tab,n,k); if(!r) cout<<"NIE\n"; else { cout<<"TAK\n"; for(auto a:ans) cout<<a+1<<" "; cout<<"\n"; // validate(tab,n,k,ans); } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #include<bits/stdc++.h> using namespace std; #ifdef LOC template <class T, class U> auto &operator<<(ostream &out, pair<T, U> a) { return out << "(" << a.first << ", " << a.second << ")"; } template <class T, class = class enable_if<!is_same<T, string>(), class T::iterator>::type> auto &operator<<(ostream &out, T a) { out << "{"; bool fi = 1; for(auto b : a) { if(fi) {out<<b; fi=0;} else out<<", "<<b; } return out << "}"; } template <class T, class X, class Y> auto &operator<<(ostream &out, const priority_queue<T,X,Y>& a) {auto b = a; vector<T> v; while(!b.empty()) {v.push_back(b.top()); b.pop();} return out<<v; } void dump(){ cerr << "\e[39m"<<"\n"; } template <class T, class... Ts> void dump(T a, Ts... x) { cerr << a << ", "; dump(x...); } #define debug(...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<"\t"<<"[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__) #else #define debug(...) ; #endif #define fwd(i, a, b) for(int i=(a);i<(int)(b);i++) #define rep(i, n) for(int i=0;i<(int)(n);i++) #define all(X) (X).begin(), (X).end() #define sz(X) ((int)(X).size()) #define mp make_pair #define st first #define nd second typedef long long ll; typedef pair<int,int> pii; typedef vector<int> vi; pair<bool, vi> solve2(vi tab, int n) { vi rgh = tab; for(int i=n-2;i>=0;i--) rgh[i] = max(rgh[i+1], tab[i]); int minL = tab[0]; fwd(i,1,n) { if(minL >= rgh[i]) return {true, {i-1}}; minL = min(minL, tab[i]); } return {false, {}}; } pair<bool, vi> solve3(vi tab, int n) { int m = *min_element(all(tab)); int M = *max_element(all(tab)); if(tab[n-1] == m) {return {true, {n-3, n-2}};} if(tab[0] == M) {return {true, {0,1}};} fwd(i,1,n-1) if(tab[i] == m) {return {true, {i-1,i}};}; fwd(i,1,n-1) if(tab[i] == M) {return {true, {i-1,i}};}; return {false, {}}; } pair<bool, vi> solveK(vi tab, int n, int k) { rep(i,n-1) { if(tab[i] >= tab[i+1]) { vi splits(n-1); int cnt = k-2; splits[i] = 1; if(i+1 != n-1) { splits[i+1] = 1; cnt--; } if(i != 0) { splits[i-1] = 1; cnt--; } for(int j=0;j<sz(splits) && cnt>0; j++) { if(splits[j] == 0) { splits[j] = 1; cnt--; } } vi idxs; rep(j,n-1) if(splits[j]) idxs.push_back(j); return {true, idxs}; } } return {false, {}}; } pair<bool, vi> solve(vi tab, int n, int k) { if(k == 2) return solve2(tab,n); if(k == 3) return solve3(tab,n); return solveK(tab,n,k); } void validate(vi tab, int n, int k, vi ans) { assert(sz(ans) == k-1); ans.push_back(n-1); rep(i,sz(ans)-1) assert(ans[i] < ans[i+1]); assert(ans[0] >= 0); int prvMin = 2e9, prvMax = 0; int i=0; for(auto a:ans) { int curMin = 2e9, curMax = 0; while(i <= a) { curMax = max(curMax, tab[i]); curMin = min(curMin, tab[i]); i++; } if(curMax <= prvMin) return; prvMin = curMin; prvMax = curMax; } assert(false); } int32_t main(){ ios::sync_with_stdio(false); int n,k; cin >> n >> k; vi tab(n); rep(i,n) cin >> tab[i]; auto [r, ans] = solve(tab,n,k); if(!r) cout<<"NIE\n"; else { cout<<"TAK\n"; for(auto a:ans) cout<<a+1<<" "; cout<<"\n"; // validate(tab,n,k,ans); } } |